Technical Specification; Model Specification; General Specification Parameter - Ebyte E90-DTU User Manual

Chengdu Ebyte Electronic Technology Co., Ltd.
3 485_B
4 GND
5 VCC
Note: When the radio is connected to multiple devices, communication is not smooth, but it is not the case with a single
device. Please try to connect a 120Ω matching resistor in parallel between the 485_A terminal and the 485_B terminal.

5. Technical specification

5.1 Model specification

Model No.
E90-DTU(400SL22P)
Note: Test condition: in clear and open air without shelters, 12V /2A power supply, 5dBi gain sucker antenna over 2
meters height from the ground, with the factory default parameters.

5.2 General specification parameter

No. Item
1 Size
2 Weight
3 Temperature
Antenna
4
impedance
5 Supply voltage
Communication
6
interface
7 Baud rate
8 Address
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RS-485 interface， B interface
Crimping power interface,
negative
Crimping power interface,
positive
TX
Frequency
power
Hz dBm
433.125M 22
Value
82*62*25 mm
237.8g
-40℃～+85℃
50Ω
8～28V DC
RS232/RS485
Default 9600
Default 0
The RS-485 interface B is connected to the device
The power supply negative pole is connected to the
system ground and the housing
8 ~ 28V DC, recommended 12V or 24V
Distance
Features
km
LoRa，
5
anti-interference
See more in 3.Dimensions
Meet industrial request
Standard 50 Ω characteristic impedance
It is recommended to use 12V or 24V
Standard DB9 hole / 3.81 terminal block
From 1200~115200
65536 configurable address
E90-DTU(400SL22P)User Manual
interface A
interface B
Recommended application
Suitable for transmission of fast
speed in complex environment
with data interference over a long
distance
Note
±4.5 g
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